Index

Virtual Private Network. See VPN. virtual router 578

Virtual Router ID number (VRID). 584

Virtual Router Redundancy Protocol. See VRRP.

virtual server tutorial 167

virtual servers 309

and address objects (HOST) 312 and ALG 327

and firewall 344 and interfaces 311

and to-ZyWALL firewall 313 and VoIP pass through 327 configuration overview 119 limitations 285 prerequisites 120

virus 494 attack 470 boot sector 480 e-mail 480 file infector 480 life cycle 480 macro 480 mutation 480 polymorphic 480 scan 470

VLAN 247 advantages 248

and MAC addresses 248 ID 248

VLAN interfaces 200, 247, 248 and Ethernet interfaces 249 basic characteristics 201 virtual 263

VoIP pass through 331 and firewall 327 and policy routes 327 and virtual servers 327 See also ALG. 326

VoIP pass through see ALG. 325

VPN 351

active protocol 379 and NAT 377

and the firewall 338 basic troubleshooting 745

hub-and-spoke. See VPN concentrator. IKE SA. See IKE SA.

IPSec 351

IPSec SA. See IPSec SA. proposal 374

security associations (SA) 352 status 178

wizards 94

VPN concentrator 369 advantages 369

and IPSec SA policy enforcement 371

disadvantages 369

VPN connections

and address objects 353

and policy routes 281, 282, 745

VPN gateways

and certificates 353

and extended authentication 353 and interfaces 353

and to-ZyWALL firewall 745 VPN. See also IKE SA, IPSec SA. VRID 584

VRRP 583 advertisement interval 588

and to-ZyWALL firewall 583 backup router 588 management IP 588 master router 588

router priority 588

virtual router ID (VR ID) 587

VRRP groups 583 and interfaces 583

and to-ZyWALL firewall 583 authentication 583

role (desired) 586

VRRP groups. See also VRRP. vs RIP 289

W

WAN trunk 211 warm start 55

warning message popup 72

warranty 875 note 875

Web attack 494

web configurator 54, 65 access 65

access users 603 requirements 65 supported browsers 65

web features ActiveX 544 cookies 545 Java 545

web proxy servers 545

web proxy servers 322, 545 see also HTTP redirect.

web-based SSL application 657 configuration example 657 create 659

webroot-directory-traversal attack 528 weighted round robin (for load balancing) 271

900

 

ZyWALL USG 100/200 Series User’s Guide